You need to perform the following steps to redeem a certification program coupon:

1. To add a coupon code, first login to your account and select the certification program.

2. Once you have read all the details of the program, click the Enroll button.

3. The program will be added to your cart, click the Checkout button.

4. Fill in the form, add the coupon code in the blank field and click the Apply button.

5. The coupon will be added to the program waving the program price, click Next to complete the purchase.